Search Results - "Tjugum, S A"

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    Characterization of multiphase flow blind-T mixing using high speed gamma-ray tomometry by Hjertaker, B.T., Tjugum, S.-A., Hallanger, A., Maad, R.

    Published in Flow measurement and instrumentation (01-08-2018)
    “…Most multiphase hydrocarbon flow instrumentation is flow regime dependent, i.e. the accuracy of the instrument will depend on the cross-sectional spatial…”
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    Journal Article
  3. 3

    Tomographic multiphase flow measurement by Sætre, C., Johansen, G.A., Tjugum, S.A.

    Published in Applied radiation and isotopes (01-07-2012)
    “…Measurement of multiphase flow of gas, oil and water is not at all trivial and in spite of considerable achievements over the past two decades, important…”
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    Journal Article
  4. 4

    Characterization of multiphase flow through Venturi nozzle using gamma-ray tomography by Stavland, S.H., Tjugum, S.-A., Hallanger, A., Sætre, C., Maad, R., Hjertaker, B.T.

    Published in Flow measurement and instrumentation (01-09-2024)
    “…Venturi-based differential pressure flow meters have proven to be robust and well suited to measure the flowrate of multiphase flow in combination with other…”
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    Journal Article
  5. 5

    Multimodality tomography for multiphase hydrocarbon flow measurements by Hjertaker, B.T., Tjugum, S.-A., Hammer, E.A., Johansen, G.A.

    Published in IEEE sensors journal (01-04-2005)
    “…Multimodality sensing is used for monitoring of multiphase hydrocarbon flow where there is a need to measure the quantity of oil, water and gas in a cross…”
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    Journal Article
  6. 6

    Use of optical scatter sensors for measurement of visibility by Tjugum, S A, Vaagen, J S, Jakobsen, T, Hamre, B

    Published in Journal of environmental monitoring (01-06-2005)
    “…A study on the measurement of visibility by the use of light scattering has been carried out. The basis for the research was the optical forward-scatter…”
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    Journal Article
  7. 7

    The use of gamma radiation in fluid flow measurements by Tjugum, S.A., Johansen, G.A., Holstad, M.B.

    “…Different measurement techniques involving the use of gamma radiation in flow measurement are discussed. In the Dual Modality Densitometry project at the…”
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    Journal Article
  8. 8

    Salinity and flow regime independent multiphase flow measurements by Sætre, C., Johansen, G.A., Tjugum, S.A.

    Published in Flow measurement and instrumentation (01-12-2010)
    “…For oil production fields, there is a need for downhole measurements of the gas/water/oil multiphase flow. In extreme conditions a relatively simple, robust,…”
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    Journal Article
  9. 9

    A compact low energy multibeam gamma-ray densitometer for pipe-flow measurements by Tjugum, Stein-Arild, Frieling, Joop, Johansen, Geir Anton

    “…A compact low-energy multibeam gamma-ray densitometer for oil/water/gas pipe-flow measurement has been built at the University of Bergen (UoB). The instrument…”
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    Journal Article